Class 5 Science: Light, Shadows and Reflection

Answer key included

This worksheet tests your understanding of light sources, the formation of shadows, and the concept of reflection.

Class 5CBSESciencemedium

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Class 5 · Science
Name: ____________
  1. Q1.Which of the following describes an object that allows some light to pass through it, but not clearly?
    • A.Opaque
    • B.Transparent
    • C.Translucent
    • D.Reflective
  2. Q2.What do we call the dark area formed when an opaque object blocks the path of light?
    • A.Reflection
    • B.Refraction
    • C.Shadow
    • D.Luminescence
  3. Q3.Which of these is a natural source of light?
    • A.Torch
    • B.Sun
    • C.Electric bulb
    • D.Candle
  4. Q4.When light bounces off a smooth, shiny surface, it is called:
    • A.Absorption
    • B.Refraction
    • C.Reflection
    • D.Dispersion

Preview — full sheet in the PDF

What's inside this workbook

This Class 5 Science Practice contains 10 questions across 2 printable pages and includes a full answer key at medium difficulty. Aligned to the CBSE and NCERT syllabus.

How this worksheet helps your child

  • Builds confidence in core Science concepts taught in Class 5 through repeated, varied practice.
  • Aligned to CBSE and NCERT — questions mirror the pattern children see in school tests and unit assessments.
  • Comes with an answer key so parents and students can self-check in minutes, without needing a teacher.
  • Pitched at medium level — use it for daily homework, weekend revision or quick exam warm-ups.

About this worksheet

Explore the fascinating world of light, shadows, and reflection with this engaging Class 5 Science practice worksheet! Designed specifically for CBSE curriculum, this resource is perfect for students looking to reinforce their understanding of how light behaves. From understanding different sources of light to exploring how shadows are formed and the basics of reflection, this worksheet covers essential concepts in an accessible way. It's ideal for children who have learned about these topics in school and need extra practice to solidify their knowledge. Parents and teachers will find this a valuable tool for assessing comprehension and building a strong foundation in physical science. This medium-difficulty worksheet encourages critical thinking and observation skills, helping young learners connect scientific principles to their everyday experiences.

What your child will learn

  • Identify various natural and artificial sources of light.
  • Differentiate between transparent, opaque, and translucent objects.
  • Explain the formation of shadows.
  • Recognise simple examples of reflection.
  • Apply understanding of light properties to everyday scenarios.

Understanding the concept

Light is all around us and helps us see the world! It's a form of energy that travels in straight lines. We have many sources of light, like the sun, which is a natural source, and electric bulbs or torches, which are artificial sources. When this light encounters an object, interesting things happen depending on what the object is made of. Some objects are 'transparent,' meaning light can pass straight through them, like a clear glass window. We can see clearly through them. Other objects are 'opaque'; they block light completely, creating a dark area behind them called a shadow. Think of yourself standing in the sun – your body blocks the sunlight, and your shadow appears on the ground. Finally, some objects are 'translucent,' allowing some light to pass through but scattering it, so objects behind them appear blurry, like frosted glass. Reflection is what happens when light bounces off a surface, much like a ball bouncing off a wall. When light hits a smooth, shiny surface like a mirror, it bounces back in a way that allows us to see an image of ourselves or other objects. This bouncing back of light is called reflection, and it's how mirrors work!

Tips for parents & teachers

  • Encourage your child to look for sources of light and shadows around their home before starting the worksheet.
  • Discuss the definitions of transparent, opaque, and translucent objects with real-world examples in your surroundings.
  • Use a torch and various household items (e.g., a book, a plastic bottle, tracing paper) to demonstrate shadow formation and light transmission.
  • After completing the worksheet, review the answers together and discuss any questions your child still has.
  • Make learning interactive by asking your child to identify reflected images in mirrors or shiny surfaces.

Topics covered

lightshadowsreflectiontransparentopaquetranslucentsources

How to use this worksheet at home

Open the print view and use your browser's Print dialog to print on regular A4 paper or save as a PDF. Hand the printed sheet to your child (Class 5) and set a relaxed time limit — 15 to 25 minutes works for most Science worksheets. When they're done, open the "With answer key" view and let them self-mark question by question. Re-print as many times as you need; the file never expires and there's no download limit.

Frequently asked questions

Is this Science worksheet really free?
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Is it aligned to the CBSE / NCERT syllabus?
Yes. All Class 5 worksheets are built around the CBSE and NCERT pattern so they map cleanly to what your child is studying in school.
Can I print this worksheet at home?
Yes. Click "Open print view" and use your browser's Print dialog to print on standard A4 paper, or save it as a PDF for later. The layout is designed to fit cleanly without scaling.
Does it include an answer key?
Yes — click "With answer key" to print a version with answers included, so parents and students can self-mark in minutes.

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